package service.CreditService;

import java.util.Iterator;

import VO.CreditVO;

/**
 * Created by insomnia on 2016/11/6.
 */
public interface CreditService {
	/**
	 * 
	 * @param clientName
	 * @return
	 */
    public Iterator<CreditVO>showCreditInfo(String clientName);
    /**
     * 
     * @param username
     * @param description
     * @param change
     * @return
     */
    public boolean addNewCreditInfo(String username,String description ,int change);
}
